Computer Science – Sound
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsa72a0517d&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SA72A-0517
Computer Science
Sound
0310 Airglow And Aurora, 0317 Chemical Kinetic And Photochemical Properties, 0355 Thermosphere: Composition And Chemistry
Scientific paper
The SABER (Sounding of the Atmosphere by Broadband Emission Radiometery) instrument aboard the TIMED (Thermosphere, Ionosphere, Mesosphere, Energetics and Dynamics) satellite has made spectacular observations of emission from NO around 5.3 μm under diverse geophysical conditions. This fundamental vibration-rotation band emission from vibrationally excited NO in the terrestrial thermosphere may by produced by the inelastic collisions of the ground state NO with O, and also by the highly rotationally and vibrationally excited NO resulting from the reaction of N(4S) and N(2D) atoms with O2. While the 5.3 μm emission resulting from the inelastic process is always there, that due to chemiluminescent processes may be very strong or may be entirely absent depending upon the geophysical conditions. In this talk we quantatively calculate the source of 5.3 μm emission transmitted by the SABER filter as function of altitude for a few geophysical parameters. We also give the contributions of these sources as a function of tangent height to compare our calculations with the SABER observations so that these impressive observations may of greater use to the scientific community.
Dothe Hoang
Duff James W.
Sharma Ramesh D.
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